Home / 13,187,492.60-19,779,443.19-3,471,291.90

Finding the Fourth Proportional to 13,187,492.60, 19,779,443.19 and 3,471,291.90

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Solution

The fourth proportional to 13,187,492.60, 19,779,443.19 and 3,471,291.90 is: 5,206,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,492.60 : 19,779,443.19 = 3,471,291.90 : x
  2. Step 2: Convert to fraction form
    13,187,492.60/19,779,443.19 = 3,471,291.90/x
  3. Step 3: Cross multiply
    13,187,492.60x = 19,779,443.19 × 3,471,291.90
  4. Step 4: Simplify right side
    13,187,492.60x = 68,660,220,931,957.16
  5. Step 5: Solve for x
    x = 68,660,220,931,957.16/13,187,492.60
  6. Step 6: Final answer
    x = 5,206,465.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.